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Case report
Idiopathic azygos vein aneurysm: a rare cause of mediastinal mass
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  1. Miguel Gallegoa,
  2. Rosa M Mirapeixc,
  3. Eva Castañerb,
  4. Ch Domingoa,
  5. Josep M Matab,
  6. Albert Marína
  1. aPulmonary Department, bRadiological Department, cConsorci Hospitalari del Parc Taulí, 08208 Sabadell, Barcelona, Spain Department of Anatomy, Autonomous University of Barcelona, Bellaterra, Barcelona, Spain
  1. Dr M Gallego.

Abstract

Venous aneurysm of the azygos arch is a very rare cause of mediastinal mass and is usually an incidental finding on chest radiography. Nowadays the diagnosis is made by non-invasive tests such as thoracic CT scanning and/or magnetic resonance imaging. The case is described of an asymptomatic woman in whom a mediastinal mass due to an azygos vein aneurysm was diagnosed by non-invasive procedures, the aetiology of which, in all probability, was idiopathic.

  • mediastinal mass
  • azygos vein
  • aneurysm

https://doi.org/10.1136/thx.54.7.653

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